# SLIP OR FALL OF PERSON
> MSHA accident `220260540002` · 02/13/2026 · N R Hamm Quarry LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Groundman, Yardman
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** JAW INCLUDE CHIN
- **Days lost:** 0
- **Mine experience:** 12.19 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** N R Hamm Quarry LLC
- **Mine:** [1401704](https://api.ai-analytics.org/mine/1401704)
## Narrative

Employee was attempting to rotate a conveyor tail pulley with a bar; the bar slipped from pulley causing employee to lunge forward hitting EE's chin on the side of conveyor frame.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*